Big Solitaires 3D is a collection of 40+ solitaire games with 3D/ OpenGL effects.

This isn't just "regular solitaire with new graphics". They're still card games, and the aim is still to arrange your cards in a particular way, but the rules are very different and in general they're much more challenging.

If you're interested, there's a lot of fun to be had here, with "Best Times" and "Statistics" tables to keep track of how you're doing.

These are the supported games. If you've not heard of them before, search for something like Canfield solitaire to read more about the rules.

Canfield
Canfield Two Decks
Canfield Superior
Corona
Doubles
Doubles 13
Easthaven
Emperor
Forty Thieves
Forty Thieves and Eight
Forty Thieves Three Decks
Forty Thieves Four Decks
FreeCell
FreeCell Two Decks
Golf
Golf A-K
Golf A-K Two Decks
Indian
Klondike (one and three cards)
Klondike Two Decks
Lucky Fans
Montana Three Redeals
Ocean's Eleven
Rail One Deck
Rail Two Decks
Russian
Russian Relaxed
Scarab
Scorpion
Simple Simon
Spider
Spider One Suite
Spider Two Suites
Spider Three Decks
Spiderette
Spiderette Relaxed
Towers
Yukon
Yukon Relaxed
Z-Four